Chris@0: /**
Chris@0:  * Implements hook_schema_alter().
Chris@0:  */
Chris@0: function {{ machine_name }}_schema_alter(&$schema) {
Chris@0:   // Add field to existing schema.
Chris@0:   $schema['users']['fields']['timezone_id'] = array(
Chris@0:     'type' => 'int',
Chris@0:     'not null' => TRUE,
Chris@0:     'default' => 0,
Chris@0:     'description' => 'Per-user timezone configuration.',
Chris@0:   );
Chris@0: }